Ecological determinants of effect of a free pit and fissure sealant program in Shanxi, China, 2017-2018
Abstract Background The aim of this study is to explore the spatial heterogeneity of the retention of PFS in children aged 7-9 years in Shanxi Province, North China and investigate the risk factors associated with PFS retention. Methods In this study, 937 children aged 7-9 years from Shanxi Province...
Збережено в:
Автори: | , , , , , , , |
---|---|
Формат: | Книга |
Опубліковано: |
BMC,
2021-09-01T00:00:00Z.
|
Предмети: | |
Онлайн доступ: | Connect to this object online. |
Теги: |
Додати тег
Немає тегів, Будьте першим, хто поставить тег для цього запису!
|
Інтернет
Connect to this object online.3rd Floor Main Library
Шифр: |
A1234.567 |
---|---|
Примірник 1 | Доступно |